Babolat VS Touch is the premium standard for natural gut tennis strings, and is now updated with BT7 technology for 15% better durability. BT7 permits a larger contact surface of the natural gut fiber bands, leading to better durability. Continues to utilize first grade Babolat materials, VS Touch is a modern natural gut with Thermogut Technology that resists moisture and humidity. The benchmark for tension holding and comfort. Now available in a great new black color!